Reactive Red 261
Name:C.I.Reactive Red 261,C.I.182145
Molecular Structure: Single azo class
C.I.Reactive Red 261,C.I.182145,CAS 80156-96-3,882.17,C31H19ClN7Na5O19S6,Reactive Red 3BF,Reactive Red 5BS
Molecular Formula:C31H19ClN7Na5O19S6
Molecular Weight: 882.17
CAS Registry Number:80156-96-3
Manufacturing Methods : aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and then and 2,4,6-Trichloro-1,3,5-triazine condensation, again with registration, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation.
Properties and Applications: yellow light red.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4 | 4-5 | 3-4 | ||||
List of Suppliers:
Reactive Red 3BF,Reactive Red 5BS
Red 3BF (Hubei Hwalle Dyestuff Industry Co Ltd);
Rifafix Red BBN (Rifa Industrial Co Ltd)
Hubei Hwalle Dyestuff Industry Co.,Ltd.